Light micrograph of cells of the parathyroid gland. The parathyroid cells have round nuclei (dark purple circles) and basophilic (light blue) to clear (white) cytoplasm. The parathyroid cells in this image form rosette-like structures. A few capillaries containing red blood cells (bright red) are also interspersed in between the parathyroid cells. Haematoxylin and eosin stained tissue section. Magnification: 400x when printed at 10cm.